As we couldn’t keep him at home ,we made him wear a special tag.Our address__on it in large printed letters. (write). Поставьте слово в скобках в нужную форму в пропуске

The correct sentence would be: "As we couldn’t keep him at home, we made him wear a special tag. Our address was written on it in large printed letters."

Here, the verb "write" is used in the past participle form "written."